Johnson F1 Model Outboard With .65 OS engine
Craftsman: AMPS
Catalog #: 2013.49.6
Contributor: Daniel "Buzz" Brunkow
Included here are a Johnson F1 with a .65 OS engine (left), an Evinrude F1 with a .45 OS engine (center), and a Mercury EFI F1 with a .45 K&B powerplant (right).
JPX-T240 Turbojet Model Aircraft Engine
Craftsman: Vibraye
Knapp Collection #: 46
Catalog #: 2009.9.05
Contributor: Paul Knapp
By 1992, commercially available miniature jet engines like this JPX-T240 began to appear on the market. This engine burns propane fuel and can produce up to 13 pounds of thrust.
JT 1800 9-Cylinder Radial Model Airplane Engine
Craftsman: John V. Thompson
Knapp Collection #: 145
Catalog #: 2008.10.43
Contributor: Paul Knapp
This 9-cylinder radial engine weighs 28 pounds and has a 1.25-inch (32 mm) bore and a 1-inch (24.8 mm) stroke with a total displacement of 10.8 cu. in. (180 cc).
Jupiter 220 2-Cylinder Opposed Airplane Engine
Craftsman: Farger & Joosten
Knapp Collection #: 68
Catalog #: 2009.9.08
Contributor: Paul Knapp
The Jupiter 220 2-cylinder opposed model airplane engine was manufactured by Farger & Joosten. The engine is 9”-long, 11”-wide, and 6”-high.
K-35 Single-Cylinder, Two-Cycle Model Airplane Engine
Craftsman: Fred Kunze
Knapp Collection #: 167
Catalog #: 2008.16.24
Contributor: Paul Knapp
Fred Kunze constructed and sold 39 of his model K-35 airplane engines. The K-35 has a 13/16-inch bore, 3/4-inch stroke, and burns methanol on glow ignition.
K&B .48 Engine
Craftsman: K&B
Catalog #: 2012.19.8
Donor: Joe Bridi
This K&B .48 engine is a glow ignition with remote needle valve, square head. This one is #138 of 4,800 built. It has a gold anodized head and prop ring.
K&B “Ringed Piston” Prototypes
Craftsman: Lud Kading
Knapp Collection #: 619
Catalog #: 2019.33.17
Contributor: Paul Knapp
K&B advertised, but never actually produced a ringed .29 engine. Lud Kading built two experimental prototypes in 1947.
K&B “Twist Head” .60
Craftsman: K&B
Catalog #: 2012.19.6
Donor: Joe Bridi
This K&B “Twist Head” .60 is a glow ignition engine from about 2002 that features a “Combo” pipe.
K&B 3.5 Model Outboard Motor
Craftsman: K&B
Catalog #: 2013.49.9
Contributor: Daniel "Buzz" Brunkow
Three different sized K&B model outboard motors are included in this collection. A 3.5 (red trim, left), a 7.5 (gold trim, center) and an 8.2 (Polished flywheel and gold prop, right).
K&B 40 Model Airplane Engine
Craftsman: K&B
Catalog #: 2014.19.4
Donor: Joe Bridi
This K&B 40 model airplane engine features a tuned exhaust and some new parts in the original box.
K&B 61 Model Airplane Engine
Craftsman: K&B
Catalog #: 2014.19.5
Donor: Joe Bridi
This K&B 61 model airplane engine was donated by Joe Bridi.
K&B 7.5 Model Outboard Motor
Craftsman: K&B
Catalog #: 2013.49.10
Contributor: Daniel "Buzz" Brunkow
Three different sized K&B model outboard motors are included in this collection. A 3.5 (red trim, left), a 7.5 (gold trim, center) and an 8.2 (Polished flywheel and gold prop, right).
K&B 8.2 Model Outboard Motor
Craftsman: K&B
Catalog #: 2013.49.11
Contributor: Daniel "Buzz" Brunkow
Three different sized K&B model outboard motors are included in this collection. A 3.5 (red trim, left), a 7.5 (gold trim, center) and an 8.2 (Polished flywheel and gold prop, right).
K&B Engines – Designs of Lud Kading
Craftsman: Lud Kading; Display by Tim and Betty Dannels
Knapp Collection #: 616
Catalog #: 2019.33.13
Contributor: Paul Knapp
This display portrays a brief history of Lud Kading’s .020 Infant, .035 Torpedo Jr., and his .049 Torpedo engine designs.
K&B Infant 20 in Dealer’s Display Box
Craftsman: K&B, Box by George Milano
Knapp Collection #: 617
Catalog #: 2019.33.15
Contributor: Paul Knapp
Perhaps one of the first boxes used for the K&B infant in the early 1950s is this unique die-cut box that folds into a display stand.
K&B Infant Model Airplane Engine
Craftsman: K&B
Catalog #: 2008.19.2
Donor: Donald Holcomb
The K&B Infant model airplane engine.
K&B Torpedo .24 Prototypes
Craftsman: Lud Kading
Knapp Collection #: 618
Catalog #: 2019.33.16
Contributor: Paul Knapp
These K&B Torpedo .24 prototypes were built by Lud Kading, of CA, in 1946-’47. The engines are glow and spark ignition.
Kalfus Designed 10cc (.60ci) Tether Boat Engine
Craftsman: Ed Kalfus
Knapp Collection #: 375
Catalog #: 2013.53.5
Contributor: Paul Knapp
This 10cc (.60ci) tether boat engine is 5”-long, 3.5”-wide, 5.5”-high, and weighs 1 lb. 10 oz. The small brass carburetor in the back is set to run the engine at low speed.
Kalfus Designed 15cc (.90ci) Radio Control Boat Engine
Craftsman: Ed Kalfus
Knapp Collection #: 374
Catalog #: 2013.53.4
Contributor: Paul Knapp
This 15cc (.90ci) radio control boat engine is 6.5”-long, 6”-wide, 5”-high, and weighs 2 lbs. 4 oz.
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